From 7013e0b672a881a979ef05f504ba3b2fb3dfdaf4 Mon Sep 17 00:00:00 2001
From: Alan Mishchenko <alanmi@berkeley.edu>
Date: Thu, 15 Aug 2013 00:58:23 -0700
Subject: Small changes to compile on Mac.

---
 Makefile                   | 6 +++++-
 src/misc/util/abc_global.h | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 9c8a3a8a..ca22379d 100644
--- a/Makefile
+++ b/Makefile
@@ -63,7 +63,11 @@ endif
 
 endif
 
-LIBS := -ldl -lrt
+# LIBS := -ldl -lrt
+LIBS := -ldl
+ifneq ($(findstring Darwin, $(shell uname)), Darwin)
+   LIBS += -lrt
+endif
 
 ifneq ($(READLINE),0)
 CFLAGS += -DABC_USE_READLINE
diff --git a/src/misc/util/abc_global.h b/src/misc/util/abc_global.h
index 8952d1e2..efd790f6 100644
--- a/src/misc/util/abc_global.h
+++ b/src/misc/util/abc_global.h
@@ -272,7 +272,7 @@ static inline int      Abc_Lit2LitL( int * pMap, int Lit )    { return Abc_LitNo
 typedef ABC_INT64_T abctime;
 static inline abctime Abc_Clock()
 {
-#if defined(LIN) || defined(LIN64)
+#if defined(LIN) || defined(LIN64) && !(__APPLE__ & __MACH__)
     struct timespec ts;
     if ( clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) < 0 ) 
         return (abctime)-1;
-- 
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